1. Ordinary Differential Equations;Hartman,1964
2. J. N. Mather: Stability of C∞ mappings III, Publ. I.H.E.S. (to appear).
3. Morse theory;Milnor;Ann. Math. Stud.,1963
4. Local topological properties of differentiable mappings;Thom,1964
5. La stabilité topologique des applications polynomiales;Thom;L'Enseignement Math.,1962